Water cascades down a stairway to a parking structure adjacent to Pauley Pavlion, home of UCLA basketball, background, after a 30-inch water main burst on nearby Sunset Boulevard Tuesday, July 29, 2014, in Los Angeles. Los Angeles Water and Power spokeswoman Michele Vargas says the water main, nearly a century old, would take another two hours to shut off. (AP Photo/Paul Phootrakul)

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LOS ANGELES, California (AP) – Crews have nearly finished repairs on a nearly century-old water main that burst and poured 20 million gallons of water onto the UCLA campus.

The Los Angeles Department of Water and Power says Saturday that workers completed replacing the ruptured pipe on Sunset Boulevard, welded a new juncture and installed a pair of 36-inch, two-ton valves.

The new juncture will be reinforced with concrete and extra steel plating.

Now, crews are surrounding the pipe with gravel as a start to repaving the giant sinkhole caused when the pipe erupted in a geyser on Tuesday.

The flooding swamped hundreds of cars in parking garages and ruined the new floor at Pauley Pavilion, which will be replaced.